| Base | Representation |
|---|---|
| bin | 1110011100001… |
| … | …11100001001000 |
| 3 | 22102221121122120 |
| 4 | 13032013201020 |
| 5 | 222003010240 |
| 6 | 20004251240 |
| 7 | 3000453456 |
| oct | 716074110 |
| 9 | 272847576 |
| 10 | 121141320 |
| 11 | 624212a3 |
| 12 | 346a0b20 |
| 13 | 1c136571 |
| 14 | 121359d6 |
| 15 | a97dad0 |
| hex | 7387848 |
121141320 has 128 divisors (see below), whose sum is σ = 394035840. Its totient is φ = 29675520.
The previous prime is 121141297. The next prime is 121141327. The reversal of 121141320 is 23141121.
It is a super-3 number, since 3×1211413203 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 121141320.
It is not an unprimeable number, because it can be changed into a prime (121141327) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87030 + ... + 88410.
It is an arithmetic number, because the mean of its divisors is an integer number (3078405).
Almost surely, 2121141320 is an apocalyptic number.
121141320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121141320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197017920).
121141320 is an abundant number, since it is smaller than the sum of its proper divisors (272894520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121141320 is a wasteful number, since it uses less digits than its factorization.
121141320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1455 (or 1451 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 121141320 is about 11006.4217618625. The cubic root of 121141320 is about 494.8012261796.
Adding to 121141320 its reverse (23141121), we get a palindrome (144282441).
The spelling of 121141320 in words is "one hundred twenty-one million, one hundred forty-one thousand, three hundred twenty".
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